WO2015190303A1 - 車体部品 - Google Patents

車体部品 Download PDF

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Publication number
WO2015190303A1
WO2015190303A1 PCT/JP2015/065398 JP2015065398W WO2015190303A1 WO 2015190303 A1 WO2015190303 A1 WO 2015190303A1 JP 2015065398 W JP2015065398 W JP 2015065398W WO 2015190303 A1 WO2015190303 A1 WO 2015190303A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
slit
connection
connection portion
parts
Prior art date
Application number
PCT/JP2015/065398
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
俊二 増尾
石畝　祐樹
Original Assignee
アイシン高丘株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by アイシン高丘株式会社 filed Critical アイシン高丘株式会社
Priority to MX2016014980A priority Critical patent/MX366461B/es
Priority to ES15806322T priority patent/ES2712193T3/es
Priority to CN201580031753.1A priority patent/CN106458122B/zh
Priority to EP15806322.2A priority patent/EP3153357B1/de
Priority to US15/317,900 priority patent/US9950747B2/en
Publication of WO2015190303A1 publication Critical patent/WO2015190303A1/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
    • F16B7/182—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements for coaxial connections of two rods or tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D27/00—Connections between superstructure or understructure sub-units
    • B62D27/02—Connections between superstructure or understructure sub-units rigid
    • B62D27/023—Assembly of structural joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/023—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/04—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects formed from more than one section in a side-by-side arrangement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/56—Fittings damping bouncing force in truck collisions, e.g. bumpers; Arrangements on high-riding vehicles, e.g. lorries, for preventing vehicles or objects from running thereunder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/10—Understructures, i.e. chassis frame on which a vehicle body may be mounted in which the main member is plate-like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
    • B62D21/157—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body for side impacts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/02—Side panels
    • B62D25/025—Side sills thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/06—Fixed roofs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/04—Clamping or clipping connections
    • F16B7/0406—Clamping or clipping connections for rods or tubes being coaxial
    • F16B7/0413—Clamping or clipping connections for rods or tubes being coaxial for tubes using the innerside thereof

Definitions

  • the present invention relates to a body part in a vehicle such as an automobile.
  • skeleton parts and reinforcing parts are used as body parts constituting the body (see Patent Document 1).
  • the skeletal component serves as a skeleton of the vehicle body, and the reinforcing component reinforces the strength of the skeleton for vehicle handling stability, vibration suppression, noise suppression, and deformation deformation during collision.
  • the body parts are different depending on the type and size of the vehicle, even if they are the same parts. Some of them have a relatively long length. In the case of such a relatively long body part, from the viewpoint of ease of manufacture, as shown in FIG. 17, the body part 120 is divided into a plurality of parts by dividing the body part 120 in the length direction. It has been proposed to configure the vehicle body part 120 by connecting. In the state shown in the figure, one vehicle body part 120 is configured by connecting the first part 121 and the second part 122.
  • connection between the first component 121 and the second component 122 is generally performed by joining the end portions of both the components 121 and 122 together and welding the joint portion.
  • sufficient strength cannot be ensured at the joint by welding alone. Therefore, it has been proposed to secure the strength by separately providing the reinforcing member 123 at the joint portion between the parts 121 and 122.
  • connection structure in which the ends of the parts 121 and 122 are abutted and welded as described above, a large jig is used to perform alignment for maintaining the state in which the ends of the parts are joined during welding. Is needed.
  • the reinforcing member 123 for securing the strength is separately required, the number of parts is increased correspondingly, and a process for attaching the reinforcing member is also required, which causes various problems such as an increase in the manufacturing process. It will be.
  • an object of the present invention is to obtain a vehicle body part that can solve problems related to the conventionally proposed technology such as an increase in the number of parts for reinforcement and an increase in manufacturing processes.
  • the first invention includes a first part and a second part formed of a plate material, and the first part and the second part are connected by connecting ends of both parts.
  • a slit that is opened at the end edge of the first part on the connection side end of the first part.
  • the connection side end of one component and the connection side end of the second component are alternately overlapped.
  • the second parts are alternately overlapped before and after the first part, so that the plate material is doubled.
  • the strength at the connecting portion is secured, and it is not necessary to separately attach a reinforcing member for securing the strength.
  • connection state is maintained unless a force in the direction of separating both parts acts,
  • the stability of the connecting part can be secured.
  • welding, screwing, etc. for fixing the connection state of both components are no longer essential, and an increase in manufacturing process and an increase in manufacturing cost can be suppressed.
  • a large jig for maintaining the connection state of both parts becomes unnecessary, which increases the manufacturing process and the manufacturing cost. Can be suppressed.
  • the second invention is characterized in that, in the first invention, the connection side end of the first component is provided with steps on both sides of the slit.
  • the steps are provided on both sides of the slit, it is possible to connect both parts by inserting the second part between the plate portions on both sides of the slit. Therefore, there is an advantage that it is easy to connect both parts.
  • the third invention is characterized in that, in the first or second invention, the slits are provided so as to extend along the arrangement direction.
  • the slit is provided along the alignment direction of the first component and the second component, it is possible to connect the two components while moving both components along the alignment direction. Therefore, there is an advantage that it is easy to connect both parts.
  • connection side end of the second component is provided with a slit opened at the end edge along the alignment direction, and the slit is the first part.
  • the step is provided so as to overlap with the slit of the component, and a step that is opposite to the step of the first component is provided on both sides of the slit of the second component.
  • the fourth aspect of the invention not only the first part but also the second part is provided with slits along the alignment direction and steps on both sides thereof. For this reason, it is possible to connect the two parts while moving them in the alignment direction by using the steps provided in both parts to be reversed and overlapping the slits. Thereby, workability
  • the fifth invention is characterized in that, in the fourth invention, the first part and the second part have the same plate thickness, and the step is substantially the same as the plate thickness.
  • the step is set to be the same as the thickness of the first component and the second component, both components are brought into surface contact with each other in a state of being alternately stacked. It becomes possible. This makes it possible for the other component to support the surface with respect to the force applied to one component compared to the case where a gap is formed between both components, improving the degree of strength reinforcement. Can do.
  • the slit provided in each of the first component and the second component is provided in a central portion substantially perpendicular to the arrangement direction. It is a feature.
  • the second component is also provided with a slit and a step, and the position of the slit is provided at the center in the direction substantially orthogonal to the arrangement direction. Reversing the first part makes it the second part. For this reason, if it becomes the same structure by inversion also in parts other than a connection side edge part, a 1st component and a 2nd component can be made into a common component. Thereby, it is not necessary to manufacture the first component and the second component separately, which can contribute to the suppression of the manufacturing cost.
  • one of the plate portions on both sides of the slit is connected to each component at each connection side end of the first component and the second component.
  • the first flat plate portion is flush with the first flat plate portion, and the other flat plate portion is bent while maintaining a parallel state with the first flat plate portion to form the step with the first flat plate portion.
  • the second flat plate portion is a feature.
  • the seventh invention on both sides of the slit, there is a first flat plate portion that is coplanar with the plate portion of each component, and a second flat plate portion that is formed by bending. It is formed.
  • the second flat plate portion can be easily formed by performing press working or the like.
  • the same plane is formed by the first flat part of both parts. .
  • production in a connection part can be suppressed.
  • the second flat plate portion of the first component and the second flat plate portion of the second component are in contact with each other at their edges. Yes.
  • the second flat plate portion of the first component and the second flat plate portion of the second component are in contact with each other at their edges, even when connecting both components, The edges are connected while contacting each other.
  • the contact between the edges at the time of the connection functions as a guide for connecting the parts by moving both parts in the arrangement direction, and the connection work can be easily performed.
  • the first component and the second component are each formed in a groove shape in a cross section, and a bottom plate portion extending substantially orthogonal to the alignment direction;
  • a pair of side plate portions extending laterally from both ends of the bottom plate portion, and each connection side end of the first component and the second component has the slit in the bottom plate portion and the first flat plate.
  • the second flat plate portion, and the side plate portion connected to the second flat plate portion of the pair of side plate portions is bent so as to be arranged at a position shifted to the other side plate portion side. It is a feature.
  • the second flat plate portion and the side plate portion connected thereto are inserted inside the first flat plate portion and the side plate portion connected thereto. Is done.
  • the two components are alternately overlapped on the bottom surface, and the side plate portions are also overlapped.
  • the connection part of both components is doubled, strength is ensured, and the structure which can hold
  • FIG. 2A is a cross-section of the connection portion of the first component (cross-section AA in FIG. 2), and FIG. Cross section).
  • FIG. 2A is a cross-section of the connection portion of the first component (cross-section AA in FIG. 2), and FIG. Cross section).
  • FIG.6 CC sectional drawing in FIG.6 (b). Explanatory drawing explaining that bumper reinforcement of various length can be manufactured.
  • Sectional drawing which shows the other example of a connection part.
  • the perspective view which shows another example of a connection part.
  • the perspective view which shows another example of a connection part.
  • the perspective view which shows another example of vehicle body components.
  • the perspective view which shows another example of vehicle body components.
  • the top view which shows another example of vehicle body components.
  • the present invention is applied to a bumper reinforcement that is a skeleton component in a vehicle such as an automobile.
  • FIG. 1 is a perspective view showing a part of the bumper reinforcement 10.
  • the overall image of the bumper reinforcement 10 will be described with reference to FIG.
  • the bumper reinforcement 10 is a vehicle body part formed in a long shape, and FIG. 1 shows a part centered on the central portion in the longitudinal direction. In the central portion in the longitudinal direction shown in FIG. 1, the bumper reinforcement 10 is in a straight line.
  • the actual bumper reinforcement 10 is configured in a state in which both ends thereof further extend in the longitudinal direction of the bumper reinforcement 10 illustrated in FIG.
  • the bumper reinforcement 10 is composed of two parts, a first part 11 and a second part 21.
  • the first component 11 and the second component 21 are both formed in a long shape. Both the parts 11 and 21 are connected to each other in the longitudinal direction, thereby forming one bumper reinforcement 10.
  • the connection portion S between the first component 11 and the second component 21 exists at the center in the longitudinal direction of the bumper reinforcement 10.
  • the first part 11 and the second part 21 constituting the bumper reinforcement 10 both have main body parts 12 and 22 and connection parts 13 and 23 with the other parts. Moreover, both the parts 11 and 21 are formed in a long shape, and are made of channel steel having a substantially U-shaped cross section. The dimension of the groove shape is the same for both parts 11 and 21.
  • the main body portion 12 of the first component 11 has a web 14 as a bottom plate portion and flanges 15 and 16 as a pair of side plate portions that extend laterally from both ends of the web 14 and face each other across the web 14. ing. In FIG. 1, the lower flange 16 in FIG. 1 is hidden.
  • the connection portion 13 is provided at an end portion of the main body portion 12 on the side connected to the second component 21, and constitutes a connection portion S together with the connection portion 23 of the second component 21.
  • the main body portion 22 of the second component 21 has a web 24 as a bottom plate portion and flanges 25 and 26 as a pair of side plate portions, like the main body portion 12 of the first component 11.
  • the connection part 23 of the second component 21 is provided at the end of the main body part 22 on the side connected to the first part 11, and constitutes a connection part S together with the connection part 13 of the first part 11.
  • FIG. 2 is an exploded perspective view showing the first component 11 and the second component 21 in an exploded manner, and shows the configuration of the connecting portions 13 and 23 of the components 11 and 21.
  • FIG. 3 is a front view of FIG. 4A and 4B are cross-sectional views of the connection portions 13 and 23, where FIG. 4A is a cross-section of the connection portion 13 of the first component 11 (cross-section AA in FIG. 2), and FIG. 4B is a connection of the second component 21.
  • a cross section of the portion 23 (cross section BB in FIG. 2) is shown.
  • the left-right direction is the arrangement direction of the first component 11 and the second component 21
  • the up-down direction is the substantially orthogonal direction of the arrangement direction.
  • a slit 31 that is opened at the edge of the web 14 is formed along the longitudinal direction (left-right direction) at the connection side end of the first component 11.
  • the slits 31 divide the web 14 into two in a direction (vertical direction) orthogonal to the longitudinal direction.
  • the slit 31 is provided at a substantially central portion in the vertical direction.
  • the connection side end portion of the first component 11 that is divided by the slit 31 is the connection portion 13.
  • the slit 31 is provided at a substantially central portion in the vertical direction.
  • the lower edge 31 a is positioned at the approximate center of the vertical width L ⁇ b> 1 of the main body 12. That is, the length L2 from the lower end edge of the main body 12 to the lower edge 31a of the slit 31 is 1 ⁇ 2 of the vertical width L1 of the main body 12.
  • the upper edge 31b that forms the slit 31 is located above the center of the vertical width L1 of the main body 12. That is, the length L3 from the upper end edge of the main body 12 to the upper edge 31b of the slit 31 is shorter than 1/2 of the vertical width L1 of the main body 12.
  • the connecting portion 13 has the upper connecting portion 32 located above the slit 31 and the lower connecting portion 33 located below.
  • the upper connection portion 32 is formed in a substantially L shape by the upper web 14 a and the upper flange 15 a located above the slit 31.
  • the lower connection portion 33 is formed in a substantially L shape by the lower web 14b below the slit 31 and the lower flange 16a (see FIG. 4A).
  • the upper web 14a and the upper flange 15a in the upper connection portion 32 are formed by extending the web 14 and the upper flange 15 of the main body 12 as they are, and both are in the same plane.
  • the lower web 14b and the lower flange 16a are in a state of retreating inward from them while maintaining a parallel state with the web 14 and the flange 16 of the main body portion 12. Yes.
  • the lower flange 16a is arranged at a position shifted to the upper flange 15a side.
  • a step 34 is formed between the upper connection portion 32 and the lower connection portion 33 as shown in FIG.
  • the dimension D1 (that is, the retraction amount) of the step 34 is set to be substantially the same as the plate thickness D2.
  • the upper web 14a corresponds to the first flat plate portion
  • the lower web 14b corresponds to the second flat plate portion.
  • the lower connection portion 33 is formed as follows. That is, the slit 31 is formed along the left-right direction at the connection side end of the main body 12. For the formation, an appropriate method such as press working or laser working can be adopted. Next, the lower web 14b and the lower flange 16a are bent while the base end portion is bent into a substantially bowl shape by an appropriate method such as press working using the end portion side opposite to the open end edge of the slit 31 as a base end. Move inward. Thereby, the lower side connection part 33 retreats inside rather than the upper side connection part 32, and the level
  • connection part 23 of the second component 21 will be described.
  • description is simplified.
  • a slit 41 is formed at the upper and lower central portions of the web 24 along the left-right direction of the main body 22 at the connection side end of the second component 21. Is divided into upper and lower parts. The left and right lengths of the slit 41 are set to be the same as the slit 31 of the first component 11. The connection side end portion of the second component 21 that is divided by the slit 41 is the connection portion 23.
  • the slit 41 is provided at a substantially central portion in the vertical direction.
  • the upper edge 41 a is located at the approximate center of the vertical width L ⁇ b> 1 of the main body 22. That is, the length L4 from the upper end edge of the main body 22 to the upper edge 41a of the slit 31 is 1 ⁇ 2 of the vertical width L1 of the main body 22.
  • the lower edge 41b that forms the slit 41 is located below the center of the vertical width L1 of the main body 22. That is, the length L5 from the lower end edge of the main body 22 to the lower edge 41b of the slit 41 is shorter than 1/2 of the vertical width L1 of the main body 22.
  • the notch width W2 of the slit 41 in the second component 21 is set to be the same as the notch width W1 of the slit 31 in the first component 11.
  • connection portion 23 when the web 24 is divided into upper and lower parts, the connection portion 23 has an upper connection portion 42 located on the upper side of the slit 41 and a lower connection portion 43 located on the lower side.
  • the upper connection portion 42 is formed in a substantially L shape by the upper web 24a and the upper flange 25a on the upper side of the slit 41.
  • the lower connection portion 43 is formed in a substantially L shape by the lower web 24b on the lower side of the slit 41 and the lower flange 26a (see FIG. 4B).
  • the upper connection portion 42 and the lower connection portion 43 of the first component 11 are upside down with respect to the upper connection portion 32 and the lower connection portion 33 of the first component 11. . That is, while the upper connection part 42 is retracted inward, the main body part 22 is extended as it is in the lower connection part 43.
  • the upper web 24a and the upper flange 25a are in a state of retreating inward from them while maintaining a parallel state with the web 24 and the flange 25 of the main body part 22.
  • the upper flange 25a is arranged at a position shifted to the lower flange 26a side.
  • the lower web 24 b and the lower flange 26 a in the lower connection portion 43 are flush with the web 24 and the upper flange 26 of the main body portion 22.
  • a step 44 that is stepped in the thickness direction is formed between the upper connection portion 42 and the lower connection portion 43 due to the retreat of the upper connection portion 42.
  • the step 44 is opposite in height to the step 34 of the first component 11, and its dimension D3 (that is, the retraction amount) is set to be substantially the same as the plate thickness D2.
  • the upper web 24a corresponds to the second flat plate portion
  • the lower web 24b corresponds to the first flat plate portion.
  • the upper connection part 42 is also formed by the same method as the lower connection part 33 of the first component 11. That is, after the slit 41 is formed in the web 24, the upper web 24a and the upper flange 25a are retracted inward while the base end portion is bent in a substantially bowl shape. Thereby, the upper side connection part 42 retreats rather than the lower side connection part 43, and the level
  • all the main body portions 12 and 22 have the same shape and the same dimensions (see FIGS. 2 and 3).
  • the lengths and notch widths W1 and W2 of the slits 31 and 41 formed in the connection portions 13 and 23 are the same (see FIG. 3).
  • the dimensions (retraction amounts) D1 and D3 of the steps 34 and 44 in the connection portions 13 and 23 are the same (see FIG. 4).
  • the length L4 to the upper edge 41a of the slit 41 is substantially the same length. That is, both are substantially half of the vertical width L1 of the main body portions 12 and 22. For this reason, as shown in FIG. 3, if the first component 11 and the second component 21 are arranged at the same upper and lower positions, the lower edge 31 a of the slit 31 of the first component 11 and the slit 41 of the second component 21.
  • the upper edge 41a is arranged on substantially the same straight line.
  • FIG. 5 is a perspective view showing that state, that is, the first component 11 is inverted to become the second component 21. For this reason, it is not necessary to manufacture the 2nd component 21 separately from the 1st component 11, and if the 1st component 11 is manufactured, the 2nd component 21 will be manufactured simultaneously.
  • the bumper reinforcement 10 has a configuration that is symmetrical in the front view when the longitudinal direction is left and right. In the description so far, the description of the end portions of the main body portions 12 and 22 opposite to the connection portions 13 and 23 is omitted, but the bumper reinforcement 10 has a symmetrical configuration in this way. Therefore, the second component 21 can be obtained by inverting the first component 11.
  • FIGS. 6A and 6B are perspective views showing a state in which the first component 11 and the second component 21 are connected.
  • FIG. 6A shows a state in the middle of connection
  • FIG. 6B shows a state in which the connection is completed.
  • FIG. 7 is a cross-sectional view taken along the line CC in FIG.
  • connection between the first component 11 and the second component 21 is performed as follows. First, as shown in FIG. 2, the first parts 11 and the second parts 21 are made to coincide with each other in the longitudinal direction and the direction of the groove shape is made to face each other. State.
  • the upper connection portion 42 of the second component 21 is disposed inside the upper connection portion 32 of the first component 11, and the lower connection portion 33 of the first component 11 is disposed inside the lower connection portion 43 of the second component 21, respectively. Both parts 11 and 21 are slid and connected so as to be inserted. Accordingly, as shown in FIG. 6A, the upper connection portion 42 of the second component 21 is located inside the upper connection portion 32 of the first component 11, and the second connection portion 33 is located outside the lower connection portion 33 of the first component 11.
  • the connection between the two components 11 and 21 proceeds such that the lower connection portions 43 of the two components 21 overlap each other. At this time, the slits 31 and 41 of both the parts 11 and 21 are overlapped.
  • the plate thickness D2 of the first component 11 and the second component 21 is the same, and the portion to be inserted (the upper connection portion 42 of the second component 21 and the lower side of the first component 11).
  • the connecting portion 33) is configured to recede by the same thickness D2 (see FIG. 4). Therefore, as shown in FIG. 7, between the upper connection portion 32 of the first component 11 and the upper connection portion 42 of the second component 21, the lower connection portion 43 of the second component 21 and the lower side of the first component 11.
  • the connection part 33 overlaps with each other while being in surface contact.
  • the lower edge 31a of the slit 31 of the first component 11 and the upper edge 41a of the slit 41 of the second component 21 are arranged on substantially the same straight line (see FIG. 3).
  • the former is also the upper edge of the lower connection portion 33 of the first component 11, and the latter is also the lower edge of the upper connection portion 42 of the second component 21.
  • the upper edge of the lower connection portion 33 of the first component 11 and the lower edge of the upper connection portion 42 of the second component 21 overlap with each other.
  • the upper connection portion 32 of the first component 11 has a tip portion of the second component 21. It contacts the proximal end portion of the upper connection portion 42. Further, the lower connection portion 43 of the second component 21 is in contact with the proximal end portion of the lower connection portion 33 of the first component 11 at its distal end. Thereby, the connection of the 1st component 11 and the 2nd component 21 is completed, and it becomes the one bumper reinforcement 10 comprised by both the components 11 and 21 (refer FIG. 1).
  • connection portion S where the first component 11 and the second component 21 are connected has the following characteristic structure.
  • the first component 11 and the second component 21 are alternately overlapped on the front and rear sides on the upper and lower sides of the slits 31 and 41. Yes. That is, when the first component 11 or the second component 21 is used as a reference, the other component overlaps the front and rear of the component and is in an alternating state. More specifically, the upper web 24a of the second part 21 overlaps the rear side of the upper web 14a of the first part 11 above the slits 31 and 41, while the lower part of the first part 11 is below the slits 31 and 41. The lower web 24b of the second component 21 overlaps the front side of the lower web 14b.
  • the lower connection portion 33 is overlapped with each other in surface contact. That is, the upper web 14a and the upper flange 15a of the upper connection portion 32 in the first component 11 overlap the upper web 24a and the upper flange 25a of the upper connection portion 42 in the second component 21 in surface contact. Further, the lower web 14b and the lower flange 16a of the lower connection portion 33 in the first component 11 and the lower web 24b and the lower flange 26a of the lower connection portion 43 in the second component 21 are in surface contact. overlapping.
  • the plate thickness D2 of the first component 11 and the second component 21 is the same, and the parts to be inserted (the upper connection portion 42 of the second component 21 and the lower connection portion 33 of the first component 11) are This is because the structure is set back by the same thickness D2 (see FIG. 4).
  • the upper edge of the lower connection portion 33 of the first component 11 (the lower edge 31 a of the slit 31) and the upper connection portion 42 of the second component 21.
  • the lower edge (the upper edge 41a of the slit 41) is in contact. This is because the lower edge 31a of the slit 31 of the first component 11 and the upper edge 41a of the slit 41 of the second component 21 are arranged on substantially the same straight line (see FIG. 3). This is because it is also the upper edge of the lower connection portion 33, and the latter is also the lower edge of the upper connection portion 42 of the second component 21.
  • the slit 31 of the first part 11 and the slit 41 of the second part 21 cause the notch widths W1, A gap having a dimension (W1 + W2) including W2 is formed.
  • the upper web 14a of the upper connection portion 32 in the first component 11 and the lower web 24b of the lower connection portion 43 in the second component 21 are in the same plane, which is the main body.
  • the webs 14 and 24 of the parts 12 and 22 are also in the same plane.
  • the bumper reinforcement 10 of the present embodiment includes the first component 11 and the second component 21, and the connection portion S of both the components 11 and 21 has the above connection structure. According to the bumper reinforcement 10 having such a connection structure, the following excellent effects can be obtained.
  • connection portion S between the first component 11 and the second component 21 the other components are alternately overlapped on the both sides of the slits 31 and 41 provided in the webs 14 and 24 before and after one component. Yes.
  • the first part 11 and the second part 21 overlap each other.
  • plate material is in the doubled state, and intensity
  • connection portion S unlike the conventional technology in which the end surfaces are just abutted with each other and the configuration in which the plate materials are simply overlapped, the structure at the connection portion S is stable, and the parts 11 and 21 are pulled apart. As long as no force is applied, the connection state can be maintained. Therefore, the welding etc. which fix the connection state of both components 11 and 21 are no longer essential, and the increase in a manufacturing process and the increase in manufacturing cost can be suppressed. Even when welding or the like is applied to the connection portion S, the connection portion S is stably held, so a large jig for maintaining the connection state of both the parts 11 and 21 is unnecessary. An increase in manufacturing steps and an increase in manufacturing costs can be suppressed.
  • slits 31 and 41 are formed along the longitudinal direction of both parts 11 and 21, and steps 34 and 44 are provided on both sides thereof. And each level
  • step difference 34,44 is reverse in height. For this reason, using these slits 31 and 41 and the steps 34 and 44, both the parts 11 and 21 can be connected in the arrangement direction while the slits 31 and 41 are overlapped with each other. The workability of the connection work 21 is improved.
  • the retraction amount of the lower connection portion 33 of the first component 11 and the upper connection portion 42 of the second component 21 is set to be the same as the plate thickness D2. For this reason, as shown in FIG. 7, in the connection part S, the upper side connection parts 32 and 42 and the lower side connection parts 33 and 43 of both components 11 and 21 are in the state of surface contact. Thereby, since the 2nd component 21 will support by the surface with respect to the force concerning the 1st component 11, the grade of strength reinforcement can be improved.
  • the lower connection portion 33 of the first component 11 and the upper connection portion 42 of the second component 21 are both formed by dividing the webs 14 and 24 by the slits 31 and 41 and then retracting them inward. Therefore, if press processing, laser processing, etc. are given, they can be formed easily.
  • the upper connection portion 32 of the first component 11 and the lower connection portion 43 of the second component 21 are configured by extending the main body portions 12 and 22, and the lower connection portion 33 and the second connection portion 33 of the first component 11.
  • the upper connection part 42 of the component 21 is retracted inward to overlap them. Thereby, the same plane as the main-body parts 12 and 22 is formed in the outer side of the connection part S, and the unevenness
  • Each of the slits 31 and 41 of the first part 11 and the second part 21 is provided at the center in the vertical direction, and the left and right lengths, the notch widths W1 and W2 are the same, and the dimension D1 of the steps 34 and 44 is the same. , D3 are the same.
  • both the components 11 and 21 are arrange
  • the upper edge (the lower edge 31a of the slit 31) of the lower connection part 33 of the first component 11 and the lower edge (the upper edge 41a of the slit 41) of the upper connection part 42 of the second component 21 are in contact with each other. Even when both components 11 and 21 are connected, their edges are connected while being in contact with each other. Thereby, the contact functions as a guide when connecting the first component 11 and the second component 21 by moving them in the arrangement direction, and the connection work can be easily performed. When fixing by welding is required, welding quality can be stabilized by welding the contact portion.
  • the connecting portions 13 and 23 of the first component 11 and the second component 21 are not individually set in accordance with the bumper reinforcement 10 having a specific longitudinal length, but various longitudinal lengths are provided. It is possible to provide versatility so that the bumper reinforcement 10 having the above can be manufactured.
  • FIG. 8 is an explanatory view for explaining that bumper reinforcements 10 of various lengths can be manufactured.
  • the first component 11 and the second component 21 in which the lengths of the connecting portions 13 and 23 in the longitudinal direction are relatively long are prepared in advance. If both the parts 11 and 21 are connected by using the first part 11 and the second part 21 as they are, the connecting portion S is relatively long and the overall dimensions are relatively long as shown in FIG. A long bumper reinforcement 10 can be obtained.
  • the said 1st component 11 and the said 2nd component 21 can be utilized.
  • the connecting portions 13 and 23 are cut at an appropriate cutting line CUT set in accordance with the desired length of the bumper reinforcement 10. .
  • the bumper reinforcement 10 is curved backward at both ends thereof, and various configurations for connecting to other skeleton parts and the like are adopted. For this reason, it is difficult to adjust the length at both ends. In that respect, if the lengths can be adjusted at the connecting portions 13 and 23 on the central side in the longitudinal direction, there is a merit that the length adjustment is easy.
  • the longitudinal direction of the bumper reinforcement 10 is configured to be a straight line, but may be a curved configuration.
  • the first component 11 and the second component 21 are set to have the same curvature.
  • the bumper reinforcement 10 is configured by the first component 11 and the second component 21, but may be configured by connecting three or more components.
  • the connection part S is provided in the longitudinal direction center part of the bumper reinforcement 10, the position which provides the connection part S is not specified there, but it provides in arbitrary positions. Can do.
  • the connection portion S the plate materials are overlapped on the front and back to reinforce the strength, and if there is a portion requiring such reinforcement because a large load is applied, the connection portion S is provided there. It may be.
  • connection state between the first component 11 and the second component 21 is not adopted, but welding is further performed, screws or rivets are used.
  • the connection state may be fixed.
  • the webs 14 and 24 and the flanges 15, 16, 25, and 26 that are overlapped at the connection portions 13 and 23 are fixed using screws, rivets, or the like, or the tip portions of the connection portions 13 and 23 and the slits 31. , 41 can be welded.
  • the lower connection portion 33 in the first component 11 and the upper connection portion 42 in the second component 21 are configured to retreat by the plate thickness D2, but the retreat is greater than the plate thickness D2. You may make it make it.
  • FIG. 9A between the upper connection portion 32 of the first component 11 and the upper connection portion 42 of the second component 21, and the lower connection portion 33 of the first component 11 and the second connection portion.
  • a clearance K ⁇ b> 1 is formed between the lower connection portion 43 of the component 21.
  • This clearance K1 can absorb variations in accuracy during manufacturing of the first component 11 and the second component 21. This eliminates the need for highly accurate processing at this portion, thereby reducing the manufacturing cost.
  • the cutout widths W1 and W2 of the slits 31 and 41 have the same dimensions, but these may be set to different dimensions.
  • notch width W1, W2 may be zero.
  • the length L ⁇ b> 2 is set to be shorter than approximately half of the vertical width L ⁇ b> 1 of the main body 12, and the length L ⁇ b> 3 is set to 1 / It may be 2 lengths.
  • the length L4 is shorter than 1/2 of the vertical width L1 of the main body 22, and the length L5 is 1/2 of the vertical width L1 of the main body 22.
  • the length L2 may be shorter than 1 ⁇ 2 of the vertical width L1 of the main body 12 while the length L3 is the same as that of the above embodiment.
  • the length L 5 is the same as that in the above embodiment, and the length L 4 is shorter than 1 ⁇ 2 of the vertical width L 1 of the main body 22.
  • the upper connection portion 32 of the first component 11 and the lower connection portion 43 of the second component 21 are respectively connected to the web portions 14a and 24b and the flanges 15a and 26a on the main body portions 12 and 22 side. It was comprised so that the same plane might be formed. Instead, as shown in FIG. 10A, the upper connection portion 32 of the first component 11 and the lower connection portion 43 of the second component 21 may also be configured to retreat inward. Also in this configuration, a step 34, between the upper connection portion 32 and the lower connection portion 33 of the first component 11, and between the upper connection portion 42 and the lower connection portion 43 of the second component 21, respectively. 44 is formed.
  • the lower connection portion 33 of the first component 11 and the upper connection portion 42 of the second component 21 are configured to further recede inward than in the case of the above embodiment.
  • the steps 34 and 44 are provided on both sides of the slits 31 and 41 of the first component 11 and the second component 21, but the steps 34 and 44 are not essential components. A configuration in which the steps 34 and 44 are eliminated may be employed.
  • both the first part 11 and the second part 21 are divided vertically, but the slits 31 and 41 are provided only in one of the parts, and one of the parts is provided. It is good also as a structure which divided
  • a plurality of slits 31 and 41 may be formed and divided into a larger number.
  • segmented into an even number becomes suitable.
  • FIG. 11 shows a configuration in which each connection portion 13, 23 is divided into four by three slits 31, 41.
  • the first divided piece 51 located at the upper end of the divided pieces 51 to 54 in the first component 11 is located at the lower end of the upper connecting portion 32 in the above embodiment.
  • the four divided pieces 54 correspond to the lower connection portion 33 in the above embodiment.
  • Each is formed in a substantially L-shaped cross section, and the fourth divided piece 54 is retracted inward.
  • the second divided piece 52 and the third divided piece 53 are plate-shaped, and the second divided piece 52 is in a state of retreating inward with respect to the first divided piece 51 and the third divided piece 53. Accordingly, steps 55a to 55c are formed between the divided pieces 51 to 54, respectively.
  • the second divided piece 52 corresponds to the second flat plate portion
  • the third divided piece 53 corresponds to the first flat plate portion.
  • the first divided piece 61 located at the upper end among the divided pieces 61 to 64 is arranged at the upper connection portion 42 in the above embodiment, and the fourth divided piece 64 located at the lower end is arranged as described above.
  • Each is formed in a substantially L-shaped cross section, and the first divided piece 61 is retracted inward.
  • the second divided piece 62 and the third divided piece 63 have a plate shape, and the third divided piece 63 is in a state of retreating inward with respect to the second divided piece 62 and the fourth divided piece 64. Thereby, steps 65a to 65c are formed between the divided pieces 61 to 64, respectively.
  • the second divided piece 62 corresponds to the first flat plate portion
  • the third divided piece 63 corresponds to the second flat plate portion.
  • the first divided piece 61 of the second component 21 is disposed under the first divided piece 51 of the first component 11, and the second of the second component 21 is disposed on the second divided piece 52 of the first component 11.
  • the divided pieces 62 are overlapped with each other.
  • the third divided piece 63 of the second component 21 is disposed under the third divided piece 53 of the first component 11, and the fourth divided piece 64 of the second component 21 is disposed on the fourth divided piece 54 of the first component 11. , And make them overlap each other. In this way, both parts 11 and 21 are connected.
  • FIG. 12 shows an example in which two long members are combined to form one bumper reinforcement 70, (a) is an exploded perspective view, and (b) is a perspective view showing the whole. It is.
  • the bumper reinforcement 70 is composed of two combination parts 71 and 72.
  • Each combination component 71, 72 is obtained by connecting the first component 11 and the second component 21 to each other.
  • the vertical dimension of one (second combination part 72 in the figure) is set smaller than the vertical dimension of the other (first combination part 71 in the figure).
  • the inside (U-shaped open side) of both combination parts 71 and 72 is matched, and the combination part (2nd combination part 72 in a figure) with a small dimension is the other combination part (1st combination part 71).
  • Both combination parts 71 and 72 are assembled so as to enter inside. In this assembled state, the flanges of both combination parts 71 and 72 are in surface contact and overlapped.
  • the combination parts 71 and 72 are fixed by an appropriate method such as welding or screws.
  • one bumper reinforcement 70 having a substantially square cross section is formed.
  • the strength can be further improved as compared with the case where the combination parts 71 and 72 are single as in the above embodiment.
  • connection structure of the present invention is applied to the bumper reinforcement 10 as a skeleton part.
  • the connection structure may be applied to other skeleton parts and body parts such as reinforcement parts.
  • Other application examples include a front underrun protector, a cross member, a floor reinforcement, a door impact beam, a beltline reinforcement, a roof reinforcement, a side sill, and the like.
  • FIG. 13 to 16 show examples of their application.
  • each vehicle body part has a connecting part S of two parts at the center in the longitudinal direction.
  • FIG. 13 is an example of application to the cross member 80, and (a) and (b) respectively show before and after connection.
  • the first component 81 and the second component 82 are not substantially U-shaped in cross section, and have a configuration in which flanges 83 and 84 are further provided.
  • the flanges 83 and 84 are also provided with steps 85 and 86, and when both the parts 81 and 82 are connected, the flanges 83 and 84 are overlapped vertically.
  • FIG. 14 is an application example to the door impact beam 90, and (a) and (b) show before and after connection, respectively.
  • the same configuration is used.
  • the first component 91 and the second component 92 are provided with flanges 93, 94, and both flanges 93, 94 overlap each other at the connection portion S. Yes.
  • welding flanges 95 and 96 used for connection to other members are provided at both ends of the door impact beam 90.
  • FIG. 15 is an application example to the roof reinforcement 100, and (a) and (b) respectively show before and after connection. Even in this configuration, as in the cross member 80 of FIG. 13 and the door impact beam 90 of FIG. 14, the first component 101 and the second component 102 are provided with flanges 103 and 104, and the connection portion S has both flanges 103 and 104. It is in a state where it overlaps vertically.
  • FIG. 16 is an application example to the side sill 110, and (a) and (b) respectively show before and after connection.
  • the side sill 110 includes two combination parts 111 and 112.
  • Each of the combination parts 111 and 112 is provided with flanges 113 and 114 as in the roof reinforcement 100 of FIG.
  • the combination parts 111 and 112 are assembled so that the flanges 113 and 114 are overlapped with each other.
  • the combination parts 111 and 112 are fixed by an appropriate method such as welding or screws.
  • the first component 11 and the second component 21 are shared, but the configuration of the main body portions 12 and 22 of the first component 11 and the second component 21 is different. It is good also as a structure which made both parts 11 and 21 non-common. For example, when the configuration of the main body portions 12 and 22 is different between the first component 11 and the second component 21, the components 11 and 21 are not shared. Even in that case, if the configuration of the above-described embodiment is adopted as the configuration of the connection portions 13 and 23, the connection portion S having the same connection structure as that of the above-described embodiment can be obtained.
  • each main-body part 12 and 22 of both the parts 11 and 21 is made into a common structure, and each slit 31 and 41 in each connection part 13 and 23 employ
  • the inverted first component 11 can be used as the second component 21.
  • the first component 11 and the second component 21 are formed of channel steel having a substantially U-shaped cross section, but the cross sectional shape may be symmetrical.
  • the shape is not limited.
  • it may be a flat plate, or may be a polygonal shape such as a trapezoid or a triangle, or a non-polygonal shape such as a semicircular shape or a wave shape.
  • it may have a cross-sectional shape in which a plurality of cross-sections such as a substantially U shape are connected like a corrugated plate.
  • the bumper reinforcement 10 is made of steel, but the material is not particularly limited.
  • it may be a non-ferrous metal such as aluminum, a resin material, a fiber material such as carbon or glass, or a composite material thereof.
  • SYMBOLS 10 Bumper reinforcement (body part), 11 ... 1st part, 14 ... Web (bottom part), 15, 16, 25, 26 ... Flange (side plate part), 14a ... Upper web (1st flat plate part), 14b ... lower web (second flat plate part), 21 ... second part, 24a ... upper web (second flat plate part), 24b ... lower web (first flat plate part), 31, 41 ... slit, 34, 44 ... Step, D2 ... plate thickness.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)
PCT/JP2015/065398 2014-06-13 2015-05-28 車体部品 WO2015190303A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
MX2016014980A MX366461B (es) 2014-06-13 2015-05-28 Componente de carroceria de vehiculo.
ES15806322T ES2712193T3 (es) 2014-06-13 2015-05-28 Componente de la carrocería del vehículo
CN201580031753.1A CN106458122B (zh) 2014-06-13 2015-05-28 车身部件
EP15806322.2A EP3153357B1 (de) 2014-06-13 2015-05-28 Fahrzeugkarosseriekomponente
US15/317,900 US9950747B2 (en) 2014-06-13 2015-05-28 Vehicle body component

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JP2014122164A JP6018127B2 (ja) 2014-06-13 2014-06-13 車体部品

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CN106458122A (zh) 2017-02-22
MX2016014980A (es) 2017-09-28
ES2712193T3 (es) 2019-05-09
US9950747B2 (en) 2018-04-24
EP3153357B1 (de) 2018-11-28
MX366461B (es) 2019-07-10
EP3153357A1 (de) 2017-04-12
JP2016002781A (ja) 2016-01-12
JP6018127B2 (ja) 2016-11-02
US20170106917A1 (en) 2017-04-20
EP3153357A4 (de) 2017-05-10
CN106458122B (zh) 2018-07-06

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